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Durable circuitry construction designed to withstand thermal stress in demanding HVAC environments
the assembly is designed to work within standard pneumatic ranges
preventing fluid loss while automatically venting non-condensable gases that compromise pump suction and heat transfer efficiency
Common Questions What is the difference between Class FT and Class FB on this coil
Watts 0121549 Valve Freon Durable circuitry construction designed toThe Watts 0121549, also identified by model LF174A 1 1 2 150, is a high capacity boiler pressure relief valve designed for heavy duty commercial and industrial hot water heating applications. This ASME rated relief valve features a lead free copper silicon alloy body and 1. 5 inch NPT threaded female connections, engineered to handle a steam discharge capacity of up to 7,630,000 BTU hr. As a veteran technician knows, the Watts LF174A series is